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trigonal
adjective as in three
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Example Sentences
Orifice either large and rounded-trigonal, or small and oval, either entire or less frequently toothed.
Parietes ribbed, mottled purplish-red; orifice broad, trigonal, hardly toothed.
The horns are trigonal, laterally compressed and knotted on the upper edge.
When the whorls are angulated, a trigonal aperture is the result, as in many species of Trochus.
Mactracea (plates, fig. 77 to 88), the cartilage placed in a trigonal pit, with a small external ligament.
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On this page you'll find 24 synonyms, antonyms, and words related to trigonal, such as: ternary, third, treble, trilateral, trinitarian, and triple.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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